Home / 52,140.13-71,952.94-28,266.19

Finding the Fourth Proportional to 52,140.13, 71,952.94 and 28,266.19

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Solution

The fourth proportional to 52,140.13, 71,952.94 and 28,266.19 is: 39,007.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,140.13 : 71,952.94 = 28,266.19 : x
  2. Step 2: Convert to fraction form
    52,140.13/71,952.94 = 28,266.19/x
  3. Step 3: Cross multiply
    52,140.13x = 71,952.94 × 28,266.19
  4. Step 4: Simplify right side
    52,140.13x = 2,033,835,473.10
  5. Step 5: Solve for x
    x = 2,033,835,473.10/52,140.13
  6. Step 6: Final answer
    x = 39,007.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.